An official website of the United States Government Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Telecommunications: Use of 380-399.9 MHz Band

Protocol signed at Mexico City July 27, 2005; entered into force July 27, 2005. With appendices.

Agreement amending the protocol effected by exchange of letters at Washington and Mexico City July 17, 2006; entered into force July 17, 2006.  With appendices.

Download attachment [886 KB]

U.S. Department of State

The Lessons of 1989: Freedom and Our Future